title: Letrozole in breast cancer.
mesh_terms: D000970:Antineoplastic Agents / Q000009:adverse effects / Q000627:therapeutic use*; D047072:Aromatase Inhibitors; D001943:Breast Neoplasms / Q000188:drug therapy* / Q000401:mortality; D004791:Enzyme Inhibitors / Q000627:therapeutic use; D005260:Female; D006801:Humans; D000077289:Letrozole; D009364:Neoplasm Recurrence, Local / Q000517:prevention & control*; D009570:Nitriles / Q000009:adverse effects / Q000627:therapeutic use*; D014230:Triazoles / Q000009:adverse effects / Q000627:therapeutic use*
chemical_list: D000970:Antineoplastic Agents; D047072:Aromatase Inhibitors; D004791:Enzyme Inhibitors; D009570:Nitriles; D014230:Triazoles; D000077289:Letrozole